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DataBind SAP HANA XS Advanced Data to the DevExpress Data Grid
Use the CData ADO.NET Provider for SAP HANA XS Advanced with the DevExpress Windows Forms and Web controls to provide SAP HANA XS Advanced data to a chart.
The ADO.NET Provider for SAP HANA XS Advanced by CData incorporates conventional ADO.NET data access components compatible with third-party controls. You can adhere to the standard ADO.NET data binding procedures to establish two-way access to real-time data through UI controls. This article will demonstrate the utilization of CData components for data binding with DevExpress UI Controls (Windows Forms and Web controls), specifically binding to a chart that visualizes live data.
SAP HANA XSA uses the OAuth authentication standard. Before connecting, it is necessary to establish an SAP HANA XSA OData Service. See the OAuth section in the Help documentation for a guide.
Windows Forms Controls
The code below shows how to populate a DevExpress chart with SAP HANA XS Advanced data. The SAPHanaXSADataAdapter binds to the Series property of the chart control. The Diagram property of the control defines the x- and y-axes as the column names.
using (SAPHanaXSAConnection connection = new SAPHanaXSAConnection(
"OAuthClientID=my-ouath-client-id;OAuthClientSecret=my-oauth-client-secret;URL=https://hxehost:51027/euro.xsodata;CallbackURL=http://localhost:33333;InitiateOAuth=GETANDREFRESH")) {
SAPHanaXSADataAdapter dataAdapter = new SAPHanaXSADataAdapter(
"SELECT , FROM WHERE = ''", connection);
DataTable table = new DataTable();
dataAdapter.Fill(table);
DevExpress.XtraCharts.Series series = new DevExpress.XtraCharts.Series();
chartControl1.Series.Add(series);
series.DataSource = table;
series.ValueDataMembers.AddRange(new string[] { "" });
series.ArgumentScaleType = DevExpress.XtraCharts.ScaleType.Qualitative;
series.ArgumentDataMember = "";
series.ValueScaleType = DevExpress.XtraCharts.ScaleType.Numerical;
chartControl1.Legend.Visibility = DevExpress.Utils.DefaultBoolean.False;
((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true;
}
Web Controls
The code below shows how to populate a DevExpress Web control with SAP HANA XS Advanced data. The SAPHanaXSADataAdapter binds to the Series property of the chart; the Diagram property defines the x- and y-axes as the column names.
using DevExpress.XtraCharts;
using (SAPHanaXSAConnection connection = new SAPHanaXSAConnection(
"OAuthClientID=my-ouath-client-id;OAuthClientSecret=my-oauth-client-secret;URL=https://hxehost:51027/euro.xsodata;CallbackURL=http://localhost:33333;InitiateOAuth=GETANDREFRESH"))
{
SAPHanaXSADataAdapter SAPHanaXSADataAdapter1 = new SAPHanaXSADataAdapter("SELECT , FROM WHERE = ''", connection);
DataTable table = new DataTable();
SAPHanaXSADataAdapter1.Fill(table);
DevExpress.XtraCharts.Series series = new Series("Series1", ViewType.Bar);
WebChartControl1.Series.Add(series);
series.DataSource = table;
series.ValueDataMembers.AddRange(new string[] { "" });
series.ArgumentScaleType = ScaleType.Qualitative;
series.ArgumentDataMember = "";
series.ValueScaleType = ScaleType.Numerical;
((DevExpress.XtraCharts.SideBySideBarSeriesView)series.View).ColorEach = true;
}
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SAP HANA XS Advanced ADO.NET Provider
Rapidly create and deploy powerful .NET applications that integrate with SAP HANA XS Advanced.
